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US7576871B2 - Apparatus and method for measuring volumes - Google Patents

Apparatus and method for measuring volumes Download PDF

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Publication number
US7576871B2
US7576871B2 US11/901,734 US90173407A US7576871B2 US 7576871 B2 US7576871 B2 US 7576871B2 US 90173407 A US90173407 A US 90173407A US 7576871 B2 US7576871 B2 US 7576871B2
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scanner
scanned
scanning
control
communication
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US20080079955A1 (en
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Thomas W. Storm
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WHISMAN ELIZABETH A
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Assigned to WHISMAN, ELIZABETH A, MS reassignment WHISMAN, ELIZABETH A, MS ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: STORM, THOMAS W, MR
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging

Definitions

  • This invention relates to measurement systems, and in particular to an Apparatus and Method for Measuring Volumes.
  • volume measurement of disparately shaped goods has long defied simple solution. Since the dawn of human history, volume measurement of differently shaped objects has been important for a number of reasons: to be able to estimate the space required to store the items, to transport the items, to package the items, etc. For example, early sailing vessels incorporated only limited storage space for provisions, so effective trip logistics planning demanded accurate volume estimates of provisions—the survival of the crew and passengers could depend on it!
  • measuring tapes and yardsticks are used to measure the volume of disparately-shaped goods.
  • the cubic volume of a refrigerator or stove may be fairly readily estimated using a measuring tape.
  • Volume measurement of more complex shapes such as sofas, desk chairs, loveseats, dining room chairs, tables, etc., however, is not so easily accomplished.
  • an object of the present invention to provide a volume measurement apparatus and method which will accurately measure the cubic volume of complex-shaped three dimensional objects.
  • Design features allowing this object to be accomplished include a scanner in communication with a base having a central processing unit capable of calculating the volume of an object scanned by the scanner.
  • Advantages associated with the accomplishment of this object include increased transportation and storage efficiency, along with the associated cost and transportation fuel savings.
  • Design features allowing this object to be accomplished include a hand-held scanner and compact base.
  • Benefits associated with the accomplishment of this object include reduced collapsed size, along with the associated easier storage and transportation.
  • Design features enabling the accomplishment of this object include a scanner having an exclude control, actuation of which instructs the scanner not to include surfaces scanned while the exclude control is actuated (such as floors, walls and ceilings) in the scanned volume calculation. Advantages associated with the realization of this object include increased accuracy and ease of use.
  • Design features allowing this object to be achieved include a hand-held scanner having simple controls in communication with a base. Benefits associated with reaching this objective include reduced operator training cost, and ease of use.
  • Sheet one contains FIGS. 1 and 2 .
  • Sheet two contains FIGS. 3 and 4 .
  • Sheet three contains FIGS. 5 and 6 .
  • Sheet four contains FIG. 7 .
  • FIG. 1 is a front isometric view of a base station.
  • FIG. 2 is a front isometric view of a scanner.
  • FIG. 3 is a front cross-sectional view of a scanner.
  • FIG. 4 is a front cross-sectional view of a base station.
  • FIG. 5 is a front quarter isometric view of a chair whose volume is being scanned by a scanner in communication with a base station.
  • FIG. 6 is a front quarter isometric view of a chair whose volume is being scanned by a scanner in communication with a base station.
  • FIG. 7 is a front quarter isometric view of a model of a chair whose volume has been scanned by a scanner in communication with a base station, as modeled by a central processing unit in the base station based on scans of the chair from different perspectives.
  • FIG. 1 is a front isometric view of base station 2 .
  • FIG. 4 is a front cross-sectional view of base station 2 .
  • base station 2 comprises CPU 10 (a central processing unit) electronically connected with receiver 8 .
  • Receiver 8 is connected with base antenna 4 , which enhances reception of signals from scanner 20 .
  • Base station 2 also comprises dock 6 , sized to admit scanner 20 .
  • FIG. 2 is a front isometric view of scanner 20 .
  • FIG. 3 is a front cross-sectional view of scanner 20 .
  • scanner 20 comprises microprocessor 24 electronically connected with trigger 26 , sensor 22 , transmitter 34 , and INS 28 (an inertial navigation system). Actuation of trigger 26 has the effect of instructing scanner 22 to commence scanning volumes at which scanner 20 is aimed. Releasing trigger 26 has the effect of ceasing the scanning function.
  • actuation of INS reset control 30 has the effect of establishing a reference point for INS 28 , which may be the origin of a three-dimensional Cartesian coordinate system, or any other point, which may be completely arbitrary. If base station 2 is sitting on a flat surface such as the floor of a room whose contents are to be scanned, scanner 20 may be instructed to disregard anything scanned below a horizontal plane upon which base station 2 sits, thus avoiding including the volume of the floor of a room whose contents are to be scanned in the volume scanned.
  • CPU 10 may be any digital or analog central processing unit which is capable of interpreting signals from sensor 22 and INS 28 in order to model an object being scanned, such as chair 40 in FIGS. 5 and 6 .
  • Software installed on CPU 10 permits the modeling function, based on the chair surface set of points in space scanned by scanner 20 .
  • a variety of such surface modeling programs are available as a sub-function of a number of commercially available three-dimensional drafting programs, and serve to produce a three-dimensional solid model of an object based on points or lines which have been inputted by a draftsperson.
  • the collection of points in space is generated by sensor 22 and INS 28 , translated into intelligible form by microprocessor 24 , and communicated to CPU 10 by means of transmitter 34 having scanner antenna 36 , and receiver 8 having base antenna 4 .
  • Sensor 22 may be any appropriate sensor, including but not limited to a micro impulse radar (radar on a chip), LIDAR (laser illuminated direction and ranging or light detection and ranging), conventional radar, sonar, FLIR (forward looking infrared), X-ray, other infrared, etc. It is intended to fall within the scope of this disclosure that any sensor, and any CPU 10 , may be employed.
  • a micro impulse radar radar on a chip
  • LIDAR laser illuminated direction and ranging or light detection and ranging
  • conventional radar sonar
  • FLIR forward looking infrared
  • X-ray other infrared
  • Microprocessor 24 may be any appropriate digital or analog microprocessor which is capable of sending signals to CPU 10 from INS 28 and sensor 22 , such that CPU 10 may model an object being scanned by sensor 22 .
  • INS 28 is an inertial navigation system capable of establishing its position relative to base 2 , and extrapolate any point scanned by sensor 22 by virtue of knowing its position in space relative to base 2 combined with which direction it is pointing.
  • INS 28 may be any appropriate inertial navigation system, including but not limited to mechanical, electro-mechanical, fluid bearinged or flotation chambered systems, transformer coil systems, strapdown systems, laser, vibrating structure, hemispherical resonator, quartz rate, magnetohydromagnetic, pendular, accelerometer only, inertial navigation system on a chip, inertial guidance systems, or any other appropriate inertial navigation system.
  • inertial navigation system including but not limited to mechanical, electro-mechanical, fluid bearinged or flotation chambered systems, transformer coil systems, strapdown systems, laser, vibrating structure, hemispherical resonator, quartz rate, magnetohydromagnetic, pendular, accelerometer only, inertial navigation system on a chip, inertial guidance systems, or any other appropriate inertial navigation system.
  • Transmitter 34 and receiver 8 may be any appropriate communication system capable of communicating points-scanned data from scanner 20 to base 2 , including but not limited to infrared, FM, AM, wireless digital, or any other appropriate communication system, including wires connecting scanner 20 to base 2 .
  • FIGS. 5 and 6 are front quarter isometric views of a chair 40 whose volume is being scanned by scanner 20 in communication with base station 2 .
  • First scanner 20 is docked in scanner dock 6 on base 2 , and INS reset control 30 actuated.
  • This has the effect of establishing a reference point for INS 28 , which may be the origin of a three-dimensional Cartesian coordinate system, or any other point, which may be completely arbitrary.
  • scanner 20 may be instructed to disregard anything scanned below a horizontal plane upon which base 2 sits, thus avoiding including the volume of the floor of a room whose contents are to be scanned in the volume scanned.
  • scanner 20 is aimed at an object whose volume is to be scanned, as indicated in FIGS. 5 and 6 .
  • Trigger 26 is actuated to commence the scanning function via sensor beam 32 , which will continue until trigger 26 is released.
  • Scanner 20 is moved to several different orientations relative to chair 40 , so as to scan chair 40 from all angles, as indicated by arrow 50 in FIG. 6 . This has the effect of discounting voids which may exist in the article being scanned, such as the voids between the legs of chair 40 .
  • scanner 20 may be scanned up and down as indicated by vertical arrows 52 , as well as back and forth horizontally as indicated by horizontal arrows 54 in FIG. 5 , in order to maximize the amount of data points scanned of chair 40 from each perspective.
  • CPU 10 assembles a model of all points scanned into a model as depicted by chair model 42 in FIG. 7 .
  • chair 40 is made up of atoms and molecules, just like everything else which is “solid” in this world. If scanner 20 could scan each atom and molecule comprising chair 40 , then the resulting model would be completely accurate. As a matter of practicality, if scanner 40 is capable of scanning up to several million data points per minute, the resulting model will be extremely accurate, as indicated in FIG. 7 .
  • CPU 10 calculates the volume of chair 40 . Where the volume of an entire room-full (or house-full) of furniture is to be calculated, CPU 10 may maintain a running total of the room and/or house total. After the total volume of a lot of furniture has been scanned and calculated, the chore of quoting a price to move same becomes easy.
  • An alternate embodiment scanner 20 may include exclusion control 38 . Actuation of exclusion control 38 and then scanning the floor and/or walls and/or ceiling of a room has the effect of instructing CPU 10 to not include these surfaces (or any volumes behind them) in the subsequent volume scan of object(s) resting on the floor or enclosed within the walls and/or ceiling of the room. Once exclusion control 38 is actuated and the floor, walls and/or ceiling of a room have been scanned, exclusion control 38 is de-actuated and a scan of the contents may be initiated.
  • the instant method of measuring volume comprises the steps of:
  • the instant method of measuring volume may comprise the steps of placing said base station on a floor of a room containing said object, actuating said INS reset control while said base station is on said floor, and instructing said CPU to disregard anything scanned below the horizontal plane upon which said base station sits, thus avoiding inclusion of the volume of the floor of a room whose contents are to be scanned in the volume scanned.
  • the instant method of measuring volume may comprise the steps of scanning said object by sweeping said scanner vertically up and down said object, and/or scanning said object by sweeping said scanner horizontally back and forth across said object.
  • the instant method of measuring volume may comprise the steps of providing an exclusion control, actuating the exclusion control to instruct said CPU to not include surfaces scanned with the exclusion control actuated, and then de-actuating said exclusion control.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
  • Navigation (AREA)
  • Radar Systems Or Details Thereof (AREA)
US11/901,734 2006-10-03 2007-09-19 Apparatus and method for measuring volumes Active 2027-10-27 US7576871B2 (en)

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US84887606P 2006-10-03 2006-10-03
US11/901,734 US7576871B2 (en) 2006-10-03 2007-09-19 Apparatus and method for measuring volumes

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US20100141932A1 (en) * 2004-12-17 2010-06-10 The Boeing Company Controlling A Projected Pattern
US9134339B2 (en) 2013-09-24 2015-09-15 Faro Technologies, Inc. Directed registration of three-dimensional scan measurements using a sensor unit

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US7576871B2 (en) 2006-10-03 2009-08-18 Storm Thomas W Apparatus and method for measuring volumes
US8908995B2 (en) 2009-01-12 2014-12-09 Intermec Ip Corp. Semi-automatic dimensioning with imager on a portable device
US8515709B2 (en) * 2010-12-06 2013-08-20 Phaedrus, Llc Portable device, system and method for measuring a volume of a vessel using an LED
GB201201700D0 (en) * 2012-02-01 2012-03-14 Wfs Technologies Ltd Apparatus and method for determining a spatial relationship between two surfaces
US9779546B2 (en) 2012-05-04 2017-10-03 Intermec Ip Corp. Volume dimensioning systems and methods
US10007858B2 (en) 2012-05-15 2018-06-26 Honeywell International Inc. Terminals and methods for dimensioning objects
US10321127B2 (en) 2012-08-20 2019-06-11 Intermec Ip Corp. Volume dimensioning system calibration systems and methods
US9939259B2 (en) * 2012-10-04 2018-04-10 Hand Held Products, Inc. Measuring object dimensions using mobile computer
US9841311B2 (en) 2012-10-16 2017-12-12 Hand Held Products, Inc. Dimensioning system
US10228452B2 (en) 2013-06-07 2019-03-12 Hand Held Products, Inc. Method of error correction for 3D imaging device
US9823059B2 (en) 2014-08-06 2017-11-21 Hand Held Products, Inc. Dimensioning system with guided alignment
US9779276B2 (en) 2014-10-10 2017-10-03 Hand Held Products, Inc. Depth sensor based auto-focus system for an indicia scanner
US10810715B2 (en) 2014-10-10 2020-10-20 Hand Held Products, Inc System and method for picking validation
US10775165B2 (en) 2014-10-10 2020-09-15 Hand Held Products, Inc. Methods for improving the accuracy of dimensioning-system measurements
US9897434B2 (en) 2014-10-21 2018-02-20 Hand Held Products, Inc. Handheld dimensioning system with measurement-conformance feedback
US9752864B2 (en) 2014-10-21 2017-09-05 Hand Held Products, Inc. Handheld dimensioning system with feedback
US10060729B2 (en) 2014-10-21 2018-08-28 Hand Held Products, Inc. Handheld dimensioner with data-quality indication
US9786101B2 (en) 2015-05-19 2017-10-10 Hand Held Products, Inc. Evaluating image values
US10066982B2 (en) 2015-06-16 2018-09-04 Hand Held Products, Inc. Calibrating a volume dimensioner
US20160377414A1 (en) 2015-06-23 2016-12-29 Hand Held Products, Inc. Optical pattern projector
US9857167B2 (en) 2015-06-23 2018-01-02 Hand Held Products, Inc. Dual-projector three-dimensional scanner
US9835486B2 (en) 2015-07-07 2017-12-05 Hand Held Products, Inc. Mobile dimensioner apparatus for use in commerce
EP3118576B1 (fr) 2015-07-15 2018-09-12 Hand Held Products, Inc. Dispositif de dimensionnement mobile avec précision dynamique compatible avec une norme nist
US10094650B2 (en) 2015-07-16 2018-10-09 Hand Held Products, Inc. Dimensioning and imaging items
US20170017301A1 (en) 2015-07-16 2017-01-19 Hand Held Products, Inc. Adjusting dimensioning results using augmented reality
US10249030B2 (en) 2015-10-30 2019-04-02 Hand Held Products, Inc. Image transformation for indicia reading
US10225544B2 (en) 2015-11-19 2019-03-05 Hand Held Products, Inc. High resolution dot pattern
US10025314B2 (en) 2016-01-27 2018-07-17 Hand Held Products, Inc. Vehicle positioning and object avoidance
US10339352B2 (en) 2016-06-03 2019-07-02 Hand Held Products, Inc. Wearable metrological apparatus
US9940721B2 (en) 2016-06-10 2018-04-10 Hand Held Products, Inc. Scene change detection in a dimensioner
US10163216B2 (en) 2016-06-15 2018-12-25 Hand Held Products, Inc. Automatic mode switching in a volume dimensioner
US10909708B2 (en) 2016-12-09 2021-02-02 Hand Held Products, Inc. Calibrating a dimensioner using ratios of measurable parameters of optic ally-perceptible geometric elements
US11047672B2 (en) 2017-03-28 2021-06-29 Hand Held Products, Inc. System for optically dimensioning
US10733748B2 (en) 2017-07-24 2020-08-04 Hand Held Products, Inc. Dual-pattern optical 3D dimensioning
US10584962B2 (en) 2018-05-01 2020-03-10 Hand Held Products, Inc System and method for validating physical-item security
US11639846B2 (en) 2019-09-27 2023-05-02 Honeywell International Inc. Dual-pattern optical 3D dimensioning
CN114152178B (zh) * 2022-02-09 2022-06-17 四川楠水农牧科技有限公司 一种农耕面积测量装置

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100141932A1 (en) * 2004-12-17 2010-06-10 The Boeing Company Controlling A Projected Pattern
US7903261B2 (en) * 2004-12-17 2011-03-08 The Boeing Company Controlling a projected pattern
US9134339B2 (en) 2013-09-24 2015-09-15 Faro Technologies, Inc. Directed registration of three-dimensional scan measurements using a sensor unit

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US20080079955A1 (en) 2008-04-03
WO2008042195A3 (fr) 2008-11-20
WO2008042195A2 (fr) 2008-04-10

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